Arima Teppei<span> is a second-year high school student who lost both of his parents in a traffic accident on their way home from a family trip. His grandfather, </span>Arima Isshin<span>, happens to wield the puppet strings in Japan's vast economy and demands that Teppei becomes his successor as the head of the </span><em>Arima Group</em><span>. To prepare for his debut into high society, Teppei enrols in an elite academy for the scions of the rich and powerful.</span>